In Roman and Renaissance architecture, a decorative technique in which stone ashlars are finished with rough-textured, projecting outer faces. Rustication has been revived occasionally since the Renaissance, for example in the work of the American architect H. H. Richardson (1838-1886).
Michelozzo di Bartolomeo. Façade of the Palazzo Medici-Riccardi, Florence. 1444-1484.